FI95486C - Anordning och förfarande för tillverkning av ihåliga fibrer och dessa fibrer - Google Patents
Anordning och förfarande för tillverkning av ihåliga fibrer och dessa fibrer Download PDFInfo
- Publication number
- FI95486C FI95486C FI935146A FI935146A FI95486C FI 95486 C FI95486 C FI 95486C FI 935146 A FI935146 A FI 935146A FI 935146 A FI935146 A FI 935146A FI 95486 C FI95486 C FI 95486C
- Authority
- FI
- Finland
- Prior art keywords
- nozzle assembly
- tubular means
- fiber
- nozzle
- housing
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 57
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims description 11
- 239000011162 core material Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 47
- 239000000203 mixture Substances 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 9
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- 229920000642 polymer Polymers 0.000 description 14
- 239000002904 solvent Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 10
- 239000012530 fluid Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 6
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- 239000007788 liquid Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 229920000615 alginic acid Polymers 0.000 description 3
- 235000010443 alginic acid Nutrition 0.000 description 3
- 239000012620 biological material Substances 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
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- 229920001169 thermoplastic Polymers 0.000 description 3
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229940072056 alginate Drugs 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
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- 238000000578 dry spinning Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 230000002480 immunoprotective effect Effects 0.000 description 2
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000002166 wet spinning Methods 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 229920004943 Delrin® Polymers 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical class C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229920001917 Ficoll Polymers 0.000 description 1
- 102000004877 Insulin Human genes 0.000 description 1
- 108090001061 Insulin Proteins 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 208000012902 Nervous system disease Diseases 0.000 description 1
- 208000025966 Neurological disease Diseases 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 208000018737 Parkinson disease Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- GRFFKYTUNTWAGG-UHFFFAOYSA-N chloroethene;prop-2-enenitrile Chemical compound ClC=C.C=CC#N GRFFKYTUNTWAGG-UHFFFAOYSA-N 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
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- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229940125396 insulin Drugs 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002858 neurotransmitter agent Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000002062 proliferating effect Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
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- 210000002966 serum Anatomy 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000003104 tissue culture media Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/032—Optical fibres with cladding with or without a coating with non solid core or cladding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
- B01D69/085—Details relating to the spinneret
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
- B01D69/087—Details relating to the spinning process
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2935—Discontinuous or tubular or cellular core
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
- Y10T428/2975—Tubular or cellular
Landscapes
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- External Artificial Organs (AREA)
Claims (12)
1. Munstycksarrangemang (10) för användning att tillverka ihäliga fibrer, kännetecknat av att detta munstycksarrangemang innefattar ett hölje (12), ett genom hoijet sig sträckande första rörliknande medel (14) och ett hoijet 15 begränsande andra rörliknande medel, som är koncentriskt med ätminstone en del av det första rörliknande medlet (14), för att bilda en ringformad kanal (18) mellan dessa tvä rörliknande medel, varvid det första rörliknande medlet (14) är rörligt i förhällande tili det andra rörliknande medlet sä, 20 att under bruket av arrangemanget det kan dras in eller skju- 9 tas ut, varvid utloppsändan av det andra rörliknande medlet innefattar ett lock (28), som kan lösgöras ur höljet (12) och som möjliggör en ändring av den ringformade kanalens (18) riktning i förhällande tili den första rörliknande kanalen 25 (14) genom att använda olika lock. e » t
2. Munstycksarrangemang enligt patentkrav 1, k ä n n e -tecknat av att det första och det andra rörliknande medlet har placerats i förhällande tili varandra sä, att hos 30 deras utloppsändar den ringformade kanalen (19) är vinkelrätt mot det första rörliknande medlet (14). 9 9 9 9 i.
3. Munstycksarrangemang enligt patentkrav 1, k ä n n e -tecknat av att det första och det andra rörliknande 35 medlet har placerats i förhällande tili varandra sä, att hos deras utloppsändar den ringformade kanalen (19) har en vinkel av omkring 45' i förhällande tili det första rörliknande medlet (14) . 95486
4. Munstyckesarrangemang enligt patentkrav 1, kanne tecknat av att det första rörliknande medlet (14) in-nefattar ett ihälig rör.
5. Munstyckesarrangemang enligt patentkrav l, kanne tecknad av att det andra rörliknande medlet innefattar en häla inom höljet (12).
6. Munstyckesarrangemang enligt patentkrav 1, kanne 10 tecknad av att det innefattar ett inom höljet (12) monterat styrningsmedel (26) för att styra det första rörliknande medlet (14).
7. Munstyckesarrangemang enligt patentkrav l, kanne 15 tecknad av att det första rörliknande medlet (14) gär genom styrningsmedlet (26).
8. Munstyckesarrangemang enligt patentkrav 1, kanne tecknad av att styrningsmedlet (26) kan lösgöras ur 20 höljet (12).
9. Förfarande för tillverkning av en ihälig fibermembran genom att strängspruta ett flytande membranbildande material om en kärnmaterialkomposition genom ett munstyeksarrangemang, 25 som är försett med ett inre häl för matning av kärnmaterial-• ; komposition, kännetecknat av att detta förfarande innefattar följande steg: (i) päbörjande av strängsprutnin- gen, varvid det inre hälet är placerats sä, att kärnmaterial-kompositionen och det membranbildande materialet möter först 30 dä de bäda har lämnat munstyeksarrangemanget, och (ii) däref-ter indragning av det inre hälet för att öka den tid, under : vilken dessa tvä material är i kontakt med varandra inom munstyeksarrangemanget före sinä utgäng frän munstyeket. 1
10. Förfarande enligt patentkrav 9, känneteck- n a d av att indragningen av det inre hälet inte börjas in-nan början av fasinversion av det flytande membranbildande materialet. 95486
11. Ihälig fibermembran innefattande fiber med en halvper-meabel inre beskiktning, som begränsar fiberns mitthälighet, varvid en fibervägg innehäller i huvudsak längsgäende stöd-strukturer samt en yttervägg, kännetecknat av att 5 minst nägra av stödstrukturerna har förenats med varandra inom fiberväggen och att minst nägra av stödstrukturerna är kontinuerliga med den yttre ytan av membranen.
12. Membran enligt patentkrav 11, kännetecknat 10 av att mitthäligheten innehäller levande celler. • · « il »H l Hill M IM i
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70336091A | 1991-05-21 | 1991-05-21 | |
| US70336091 | 1991-05-21 | ||
| US9204290 | 1992-05-21 | ||
| PCT/US1992/004290 WO1992020843A1 (en) | 1991-05-21 | 1992-05-21 | Apparatus for forming hollow fibers and said fibers |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI935146A FI935146A (sv) | 1993-11-19 |
| FI935146A0 FI935146A0 (sv) | 1993-11-19 |
| FI95486B FI95486B (sv) | 1995-10-31 |
| FI95486C true FI95486C (sv) | 1996-02-12 |
Family
ID=24825068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI935146A FI95486C (sv) | 1991-05-21 | 1993-11-19 | Anordning och förfarande för tillverkning av ihåliga fibrer och dessa fibrer |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US5480598A (sv) |
| EP (1) | EP0586559B1 (sv) |
| JP (1) | JP2568043B2 (sv) |
| KR (1) | KR960011587B1 (sv) |
| AT (1) | ATE134393T1 (sv) |
| AU (1) | AU664848B2 (sv) |
| CA (1) | CA2102925A1 (sv) |
| DE (1) | DE69208463T2 (sv) |
| DK (1) | DK0586559T3 (sv) |
| FI (1) | FI95486C (sv) |
| NO (1) | NO300813B1 (sv) |
| WO (1) | WO1992020843A1 (sv) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9518798D0 (en) | 1995-09-14 | 1995-11-15 | Secr Defence | Apparatus and method for spinning hollow polymeric fibres |
| US6025624A (en) * | 1998-06-19 | 2000-02-15 | Micron Technology, Inc. | Shared length cell for improved capacitance |
| US6673980B1 (en) | 1999-07-16 | 2004-01-06 | Kimberly-Clark Worldwide, Inc. | Absorbent product with creped nonwoven dampness inhibitor |
| US6663611B2 (en) | 1999-09-28 | 2003-12-16 | Kimberly-Clark Worldwide, Inc. | Breathable diaper with low to moderately breathable inner laminate and more breathable outer cover |
| US20050106970A1 (en) * | 2000-09-01 | 2005-05-19 | Stanitis Gary E. | Melt processable perfluoropolymer forms |
| US20040050791A1 (en) * | 2001-01-23 | 2004-03-18 | Attila Herczeg | Asymmetric hollow fiber membranes |
| US20040127873A1 (en) * | 2002-12-31 | 2004-07-01 | Varona Eugenio Go | Absorbent article including porous separation layer with capillary gradient |
| JP4885539B2 (ja) * | 2003-03-13 | 2012-02-29 | 株式会社クレハ | フッ化ビニリデン系樹脂多孔膜およびその製造方法 |
| US7165682B1 (en) * | 2003-07-16 | 2007-01-23 | Accord Partner Limited | Defect free composite membranes, method for producing said membranes and use of the same |
| DE102006042732B3 (de) * | 2006-09-12 | 2008-04-10 | Gerlach, Jörg, Dr.med. | Künstliches arterio-venöses permeables Hohlfaserkapillarsystem |
| US7842214B2 (en) * | 2007-03-28 | 2010-11-30 | 3M Innovative Properties Company | Process for forming microporous membranes |
| US20080237142A1 (en) * | 2007-04-02 | 2008-10-02 | Battelle Energy Alliance, Llc | Systems and methods for concentrating substances in fluid samples |
| US20090326128A1 (en) * | 2007-05-08 | 2009-12-31 | Javier Macossay-Torres | Fibers and methods relating thereto |
| US8562876B2 (en) * | 2007-11-30 | 2013-10-22 | Baxter International Inc. | Multizone polymer membrane and dialyzer |
| EP2255030A4 (en) * | 2008-02-29 | 2011-04-13 | Agency Science Tech & Res | HYDRODYNAMIC WIRE OF POLYMER FIBER IN COAXIAL LAMINARY FLOWS |
| CA2718897A1 (en) * | 2008-03-17 | 2009-09-17 | The Board Of Regents Of The University Of Texas System | Superfine fiber creating spinneret and uses thereof |
| US9821105B2 (en) | 2008-07-01 | 2017-11-21 | Baxter International Inc. | Nanoclay sorbents for dialysis |
| WO2012109210A2 (en) | 2011-02-07 | 2012-08-16 | Fibrerio Technology Corporation | Apparatuses and methods for the simultaneous production of microfibers and nanofibers |
| EP3679181A4 (en) | 2017-09-08 | 2021-05-12 | The Board of Regents of The University of Texas System | TISSUE AND METHOD DOPED WITH MECHANOLUMINESCENT POLYMER |
| EP3691775A1 (en) | 2017-10-05 | 2020-08-12 | Fresenius Medical Care Holdings, Inc. | Polysulfone-urethane copolymer, membranes and products incorporating same, and methods for making and using same |
| US10889915B2 (en) | 2018-01-31 | 2021-01-12 | Saudi Arabian Oil Company | Producing fibers using spinnerets |
| WO2020172207A1 (en) | 2019-02-20 | 2020-08-27 | Board Of Regents, University Of Texas System | Handheld/portable apparatus for the production of microfibers, submicron fibers and nanofibers |
| EP3842132A1 (en) * | 2019-12-23 | 2021-06-30 | Gambro Lundia AB | Spinneret |
| US11331632B2 (en) | 2020-02-14 | 2022-05-17 | Saudi Arabian Oil Company | Thin film composite hollow fiber membranes fabrication systems |
| US11406941B2 (en) | 2020-02-14 | 2022-08-09 | Saudi Arabian Oil Company | Thin film composite hollow fiber membranes fabrication systems |
| US11253819B2 (en) | 2020-05-14 | 2022-02-22 | Saudi Arabian Oil Company | Production of thin film composite hollow fiber membranes |
| US20230008772A1 (en) * | 2021-07-08 | 2023-01-12 | University Of Kentucky Research Foundation | Spinneret, blowing system and method for producing hollow fibers |
| US12116326B2 (en) | 2021-11-22 | 2024-10-15 | Saudi Arabian Oil Company | Conversion of hydrogen sulfide and carbon dioxide into hydrocarbons using non-thermal plasma and a catalyst |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE571497A (sv) * | 1957-11-16 | |||
| US3303247A (en) * | 1964-09-21 | 1967-02-07 | United Plastic Corp | Extrusion head for plastic tubing |
| GB1434055A (en) * | 1972-04-28 | 1976-04-28 | Asahi Chemical Ind | Hollow fibres of acrylonitrile polymers for use as an ultrafitter and method for producing the same |
| US4051300A (en) * | 1973-09-03 | 1977-09-27 | Gulf South Research Institute | Hollow synthetic fibers |
| US3871450A (en) * | 1974-04-17 | 1975-03-18 | Dresser Ind | Dual string circulating valve |
| US4127625A (en) * | 1975-03-27 | 1978-11-28 | Daicel Ltd. | Process for preparing hollow fiber having selective gas permeability |
| US4035459A (en) * | 1975-05-01 | 1977-07-12 | Chemical Systems, Inc. | Process for spinning dry-fiber cellulose acetate hollow fiber membranes |
| GB1566581A (en) * | 1975-12-29 | 1980-05-08 | Nippon Zeon Co | Hollow fibres and methods of manufacturing such fibres |
| FR2394623A1 (fr) * | 1977-06-14 | 1979-01-12 | Rhone Poulenc Textile | Filiere |
| US4385017A (en) * | 1977-06-30 | 1983-05-24 | Nippon Zeon Co., Ltd. | Method of manufacturing hollow fiber |
| JPS5812932B2 (ja) * | 1977-06-30 | 1983-03-10 | 日本ゼオン株式会社 | 中空繊維の製造方法 |
| US4362496A (en) * | 1977-11-25 | 1982-12-07 | Owens-Illinois, Inc. | Apparatus for making plastic articles |
| US4175153A (en) * | 1978-05-16 | 1979-11-20 | Monsanto Company | Inorganic anisotropic hollow fibers |
| US4380520A (en) * | 1979-03-12 | 1983-04-19 | Extracorporeal Medical Specialties, Inc. | Process for producing hollow fibres having a uniform wall thickness and a non-uniform cross-sectional area |
| US4229154A (en) * | 1979-04-04 | 1980-10-21 | E. I. Du Pont De Nemours And Company | Spinneret for the production of hollow filaments |
| DE3026718A1 (de) * | 1980-07-15 | 1982-02-04 | Akzo Gmbh, 5600 Wuppertal | Hohlfasermembran fuer die plasmaseparation |
| JPS5766114A (en) * | 1980-10-14 | 1982-04-22 | Mitsubishi Rayon Co Ltd | Porous polyethylene hollow fiber and its production |
| CA1236956A (en) * | 1983-05-02 | 1988-05-24 | Seiichi Manabe | Porous cuprammonium cellulose fibre produced with annular orifice and central coagulating stream |
| ATE68991T1 (de) * | 1984-06-13 | 1991-11-15 | Inst Nat Rech Chimique | Verfahren zur herstellung von hohlfasern und ihre verwendung in membrantrennverfahren. |
| US4906375A (en) * | 1984-07-14 | 1990-03-06 | Fresenius, Ag | Asymmetrical microporous hollow fiber for hemodialysis |
| JPS6190705A (ja) * | 1984-10-09 | 1986-05-08 | Terumo Corp | 中空糸膜の製造方法 |
| US4744932A (en) * | 1985-05-31 | 1988-05-17 | Celanese Corporation | Process for forming a skinless hollow fiber of a cellulose ester |
| JPS61283305A (ja) * | 1985-06-05 | 1986-12-13 | Ube Ind Ltd | 多孔質中空糸膜 |
| US4749619A (en) * | 1985-08-21 | 1988-06-07 | Hospal Industrie | Hollow fibre useful in blood treating processes |
| US4992332A (en) * | 1986-02-04 | 1991-02-12 | Ube Industries, Ltd. | Porous hollow fiber |
| JPS63248405A (ja) * | 1986-05-30 | 1988-10-14 | Mitsubishi Rayon Co Ltd | 多孔質膜 |
| JPS63203813A (ja) * | 1987-02-05 | 1988-08-23 | エアー．プロダクツ．アンド．ケミカルス．インコーポレーテツド | 異なる肉厚をもつ中空繊維をつくる紡糸口金 |
| CA1315929C (en) * | 1987-06-26 | 1993-04-13 | Masahiko Yamaguchi | Porous hollow-fiber |
| US4900626A (en) * | 1987-07-28 | 1990-02-13 | Rhone-Poulenc Recherches | Hollow composite fibers selectively permeable to water vapor |
| US4892538A (en) * | 1987-11-17 | 1990-01-09 | Brown University Research Foundation | In vivo delivery of neurotransmitters by implanted, encapsulated cells |
| US5084349A (en) * | 1988-09-07 | 1992-01-28 | Terumo Kabushiki Kaisha | Hollow cellulose fibers, method for making, and fluid processing apparatus using same |
| US5049276A (en) * | 1988-10-13 | 1991-09-17 | Fuji Photo Film Co., Ltd. | Hollow fiber membrane |
| US5240614A (en) * | 1992-01-10 | 1993-08-31 | Baxter International Inc. | Process for removing unwanted materials from fluids and for producing biological products |
-
1992
- 1992-05-21 DE DE69208463T patent/DE69208463T2/de not_active Expired - Fee Related
- 1992-05-21 CA CA002102925A patent/CA2102925A1/en not_active Abandoned
- 1992-05-21 WO PCT/US1992/004290 patent/WO1992020843A1/en active IP Right Grant
- 1992-05-21 KR KR1019930703406A patent/KR960011587B1/ko not_active IP Right Cessation
- 1992-05-21 DK DK92913022.7T patent/DK0586559T3/da active
- 1992-05-21 EP EP92913022A patent/EP0586559B1/en not_active Expired - Lifetime
- 1992-05-21 AU AU21501/92A patent/AU664848B2/en not_active Ceased
- 1992-05-21 US US07/927,509 patent/US5480598A/en not_active Expired - Lifetime
- 1992-05-21 JP JP5500299A patent/JP2568043B2/ja not_active Expired - Lifetime
- 1992-05-21 AT AT92913022T patent/ATE134393T1/de not_active IP Right Cessation
-
1993
- 1993-11-17 NO NO934162A patent/NO300813B1/no unknown
- 1993-11-19 FI FI935146A patent/FI95486C/sv active
-
1995
- 1995-06-01 US US08/456,636 patent/US5656372A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FI935146A (sv) | 1993-11-19 |
| AU664848B2 (en) | 1995-12-07 |
| JPH06508547A (ja) | 1994-09-29 |
| JP2568043B2 (ja) | 1996-12-25 |
| KR960011587B1 (ko) | 1996-08-24 |
| FI935146A0 (sv) | 1993-11-19 |
| NO934162L (no) | 1993-11-17 |
| AU2150192A (en) | 1992-12-30 |
| DE69208463D1 (de) | 1996-03-28 |
| CA2102925A1 (en) | 1992-11-22 |
| EP0586559B1 (en) | 1996-02-21 |
| ATE134393T1 (de) | 1996-03-15 |
| DK0586559T3 (da) | 1996-07-22 |
| FI95486B (sv) | 1995-10-31 |
| EP0586559A1 (en) | 1994-03-16 |
| DE69208463T2 (de) | 1996-10-10 |
| NO934162D0 (no) | 1993-11-17 |
| NO300813B1 (no) | 1997-07-28 |
| US5480598A (en) | 1996-01-02 |
| WO1992020843A1 (en) | 1992-11-26 |
| US5656372A (en) | 1997-08-12 |
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